and if the mark in the fabric, leather, weave, knit, or leather article is green or red, then it is contaminated with mildew and must be shown to the priest.
Jewish Publication Society of America Version (JPS1917) - Leviticus 13:49 >If the plague be greenish or reddish in the garment, or in the skin, or in the warp, or in the woof, or in any thing of skin, it is the plague of leprosy, and shall be shown unto the priest.